// Copyright (C) 2018 Kevin Gibbons. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-object.fromentries
description: Closes iterators when accessing an entry's value throws.
info: |
  Object.fromEntries ( iterable )

  ...
  4. Let stepsDefine be the algorithm steps defined in CreateDataPropertyOnObject Functions.
  5. Let adder be CreateBuiltinFunction(stepsDefine, « »).
  6. Return ? AddEntriesFromIterable(obj, iterable, adder).

  AddEntriesFromIterable ( target, iterable, adder )

  ...
  4. Repeat,
    ...
    g. Let v be Get(nextItem, "1").
    h. If v is an abrupt completion, return ? IteratorClose(iteratorRecord, v).

features: [Symbol.iterator, Object.fromEntries]
---*/

function Test() {
    function DummyError() {}

    var returned = false;
    var iterable = {
      [Symbol.iterator]: function() {
        var advanced = false;
        return {
          next: function() {
            if (advanced) {
              throw new Test262Error('should only advance once');
            }
            advanced = true;
            return {
              done: false,
              value: {
                get '0'() {
                  return 'key';
                },
                get '1'() {
                  throw new DummyError();
                },
              },
            };
          },
          return: function() {
            if (returned) {
              throw new Test262Error('should only return once');
            }
            returned = true;
          },
        };
      },
    };

    assert.throws(DummyError, function() {
      Object.fromEntries(iterable);
    });

    assert(returned, 'iterator should be closed when entry value property access throws');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
